What does 敷居 mean?
敷居 is a Japanese noun meaning “threshold (esp. one with grooves for sliding doors); sill” in English. It is written as 敷居 in kanji, しきい in hiragana, and shikii in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
もう二度とこの家の敷居はまたがない。
I'll never set foot in this house again.